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From "Eric Newton (JIRA)" <j...@apache.org>
Subject [jira] [Created] (ACCUMULO-2247) random walk fails when server gets EOFException
Date Thu, 23 Jan 2014 20:29:37 GMT
Eric Newton created ACCUMULO-2247:
-------------------------------------

             Summary: random walk fails when server gets EOFException
                 Key: ACCUMULO-2247
                 URL: https://issues.apache.org/jira/browse/ACCUMULO-2247
             Project: Accumulo
          Issue Type: Bug
          Components: client, tserver
         Environment: Running RW on 10 node test cluster.  Client quit with an unknown error.
 Looking at the corresponding server logs, there's this exception:

{noformat}
2014-01-23 19:19:18,031 [tserver.TabletServer] WARN : Failed to get multiscan result
java.util.concurrent.ExecutionException: java.lang.RuntimeException: java.io.EOFException
        at org.apache.accumulo.tserver.TabletServer$ScanTask.get(TabletServer.java:755)
        at org.apache.accumulo.tserver.TabletServer$ThriftClientHandler.continueMultiScan(TabletServer.java:1417)
        at org.apache.accumulo.tserver.TabletServer$ThriftClientHandler.startMultiScan(TabletServer.java:1382)
        at sun.reflect.GeneratedMethodAccessor25.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.apache.accumulo.trace.instrument.thrift.TraceWrap$1.invoke(TraceWrap.java:63)
        at $Proxy15.startMultiScan(Unknown Source)
        at org.apache.accumulo.core.tabletserver.thrift.TabletClientService$Processor$startMultiScan.getResult(TabletClientService.java:2252)
        at org.apache.accumulo.core.tabletserver.thrift.TabletClientService$Processor$startMultiScan.getResult(TabletClientService.java:2236)
        at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:39)
        at org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:39)
        at org.apache.accumulo.server.util.TServerUtils$TimedProcessor.process(TServerUtils.java:171)
        at org.apache.thrift.server.AbstractNonblockingServer$FrameBuffer.invoke(AbstractNonblockingServer.java:478)
        at org.apache.accumulo.server.util.TServerUtils$THsHaServer$Invocation.run(TServerUtils.java:231)
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
        at org.apache.accumulo.trace.instrument.TraceRunnable.run(TraceRunnable.java:47)
        at org.apache.accumulo.core.util.LoggingRunnable.run(LoggingRunnable.java:34)
        at java.lang.Thread.run(Thread.java:662)
Caused by: java.lang.RuntimeException: java.io.EOFException
        at org.apache.accumulo.tserver.TabletServer$ThriftClientHandler$LookupTask.run(TabletServer.java:1126)
        at org.apache.accumulo.trace.instrument.TraceRunnable.run(TraceRunnable.java:47)
        ... 5 more
Caused by: java.io.EOFException
        at java.io.DataInputStream.readByte(DataInputStream.java:250)
        at org.apache.accumulo.core.file.rfile.RelativeKey.fastSkip(RelativeKey.java:314)
        at org.apache.accumulo.core.file.rfile.RFile$LocalityGroupReader._seek(RFile.java:675)
        at org.apache.accumulo.core.file.rfile.RFile$LocalityGroupReader.seek(RFile.java:607)
        at org.apache.accumulo.core.iterators.system.LocalityGroupIterator.seek(LocalityGroupIterator.java:142)
        at org.apache.accumulo.core.file.rfile.RFile$Reader.seek(RFile.java:979)
        at org.apache.accumulo.server.problems.ProblemReportingIterator.seek(ProblemReportingIterator.java:94)
        at org.apache.accumulo.core.iterators.system.MultiIterator.seek(MultiIterator.java:105)
        at org.apache.accumulo.core.iterators.WrappingIterator.seek(WrappingIterator.java:101)
        at org.apache.accumulo.core.iterators.system.StatsIterator.seek(StatsIterator.java:64)
        at org.apache.accumulo.core.iterators.WrappingIterator.seek(WrappingIterator.java:101)
        at org.apache.accumulo.core.iterators.system.DeletingIterator.seek(DeletingIterator.java:67)
        at org.apache.accumulo.core.iterators.WrappingIterator.seek(WrappingIterator.java:101)
        at org.apache.accumulo.core.iterators.SkippingIterator.seek(SkippingIterator.java:37)
        at org.apache.accumulo.core.iterators.system.ColumnFamilySkippingIterator.seek(ColumnFamilySkippingIterator.java:123)
        at org.apache.accumulo.core.iterators.WrappingIterator.seek(WrappingIterator.java:101)
        at org.apache.accumulo.core.iterators.Filter.seek(Filter.java:64)
        at org.apache.accumulo.core.iterators.WrappingIterator.seek(WrappingIterator.java:101)
        at org.apache.accumulo.core.iterators.Filter.seek(Filter.java:64)
        at org.apache.accumulo.core.iterators.system.SynchronizedIterator.seek(SynchronizedIterator.java:55)
        at org.apache.accumulo.core.iterators.WrappingIterator.seek(WrappingIterator.java:101)
        at org.apache.accumulo.core.iterators.user.VersioningIterator.seek(VersioningIterator.java:81)
        at org.apache.accumulo.core.iterators.user.WholeRowIterator.seek(WholeRowIterator.java:241)
        at org.apache.accumulo.core.iterators.system.SourceSwitchingIterator.readNext(SourceSwitchingIterator.java:116)
        at org.apache.accumulo.core.iterators.system.SourceSwitchingIterator.seek(SourceSwitchingIterator.java:168)
        at org.apache.accumulo.tserver.Tablet.lookup(Tablet.java:1562)
        at org.apache.accumulo.tserver.Tablet.lookup(Tablet.java:1669)
        at org.apache.accumulo.tserver.TabletServer$ThriftClientHandler$LookupTask.run(TabletServer.java:1115)
        ... 6 more
{noformat}

1.6-SNAPSHOT, Hadoop 2.2.0, running the agitator. 
            Reporter: Eric Newton






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